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7D3-04544-49 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

7D3-04544-49: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_inside_diameter: 2.5000 INCHES NOMINAL IN, body_outside_diameter: 3.1250 INCHES NOMINAL IN, flange_outside_diameter: 4.6200 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-445-4955, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
7D3-04544-49
NSN: 3120-01-445-4955
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 34712 — LAKE SHORE SYSTEMS, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_inside_diameter2.5000 INCHES NOMINAL IN
body_outside_diameter3.1250 INCHES NOMINAL IN
flange_outside_diameter4.6200 INCHES NOMINAL IN
NSN3120-01-445-4955
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 7D3-04544-49 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FLANGE OUTSIDE DIAMETER: 4.6200 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 3.1250 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 2.5000 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
FLANGE OUTSIDE DIAMETER4.6200 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER3.1250 INCHES NOMINAL IN
BODY INSIDE DIAMETER2.5000 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
SF 2 1/2Reference document
Same NSN cross-reference
Reference document — Secondary reference
SF-2.50 BOREReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7D3-04544-49?
7D3-04544-49 is a BUSHING,SLEEVE.
What parts can replace 7D3-04544-49?
There are 2 known substitutes for 7D3-04544-49: SF 2 1/2, SF-2.50 BORE. Substitute compatibility should be verified for your specific system.
What is the NSN for 7D3-04544-49?
7D3-04544-49 is cataloged in the U.S. Government catalog under NSN 3120-01-445-4955. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.